Hello,
this morning I look out the window and what do I see?
an apple tree has flowers! ': shock:' so that we are late August and it is full of apple!
Normal??
Warming: flowers on an apple tree in summer, 30 August !!
- Paul
- I understand econologic
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Warming: flowers on an apple tree in summer, 30 August !!
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With patience, the orchard becomes jam.
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- Econologue expert
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- elephant
- Econologue expert
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the question (and its answer) were in any case interesting. I also asked myself the question.
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elephant Supreme Honorary éconologue PCQ ..... I'm too cautious, not rich enough and too lazy to really save the CO2! http://www.caroloo.be
Plants, mushrooms, animals, birds, mammals and even us, have a calendar based on the length of the day and there are plenty of studies on biological clocks that measure this length of the day, essential for many , to bloom or leave the leaves, at the right time without getting caught in the weather very variable and misleading temperatures !!!!
So the length of the day regulates the calendar and even to the day, like the tricholoma of the Saint George 23 April pîle in my garden formerly (it ended up disappearing after exhausting the soil)
http://fr.wikipedia.org/wiki/Tricholome ... nt-Georges
And the autumn spring distinction is not always made by plants that bloom like dimorphotheca in spring and fall alike:
http://www.plantes.ca/fleurs/famille/osteospermum.html
http://www.graines-caillard.com/produit ... product=47
http://lesbeauxjardins.com/jardinons/an ... thecas.htm
They are perennial for many years but do not tolerate frost and resevere themselves perpetually.
The distinction is made by the memory of cold or hot past essential for some fruits or leaves.
So the length of the day regulates the calendar and even to the day, like the tricholoma of the Saint George 23 April pîle in my garden formerly (it ended up disappearing after exhausting the soil)
http://fr.wikipedia.org/wiki/Tricholome ... nt-Georges
And the autumn spring distinction is not always made by plants that bloom like dimorphotheca in spring and fall alike:
http://www.plantes.ca/fleurs/famille/osteospermum.html
http://www.graines-caillard.com/produit ... product=47
http://lesbeauxjardins.com/jardinons/an ... thecas.htm
They are perennial for many years but do not tolerate frost and resevere themselves perpetually.
The distinction is made by the memory of cold or hot past essential for some fruits or leaves.
0 x
Just to complete:
a) some plants are "photoperiodic" = sensitive to the length of the day (biologically, it is rather a sensitivity to the length of the night) ...
- not tropical, otherwise they would never flower (at the equator, the duration of the day is almost constant)
the well known cases are chrysanthemums, and full of bulbous ...
[we can therefore "force" them by obscuring]
b) others need "vernalization" = need a certain quantity of cold (at a time, temperature which drops below a minimum, for a certain duration)
- not in the tropics, because there is no cold, it is often the dry season which "regulates" the plants!
- frequent cases, it's cacti!
c) others, it's the drought ...
- case of certain orchids (Cymbidium), of the clivia ... but you can "accelerate" or increase the flowering of many plants by a hdyric stress - water little or not at all during a certain period ...
And a lot of plants, it's a bit of all of this together.
There, in this case, I suspect both the drought period and then the wet cold.
NB: Flowering at the same time as fruiting is common in some plants: cacao for example.
a) some plants are "photoperiodic" = sensitive to the length of the day (biologically, it is rather a sensitivity to the length of the night) ...
- not tropical, otherwise they would never flower (at the equator, the duration of the day is almost constant)
the well known cases are chrysanthemums, and full of bulbous ...
[we can therefore "force" them by obscuring]
b) others need "vernalization" = need a certain quantity of cold (at a time, temperature which drops below a minimum, for a certain duration)
- not in the tropics, because there is no cold, it is often the dry season which "regulates" the plants!
- frequent cases, it's cacti!
c) others, it's the drought ...
- case of certain orchids (Cymbidium), of the clivia ... but you can "accelerate" or increase the flowering of many plants by a hdyric stress - water little or not at all during a certain period ...
And a lot of plants, it's a bit of all of this together.
There, in this case, I suspect both the drought period and then the wet cold.
NB: Flowering at the same time as fruiting is common in some plants: cacao for example.
0 x
- antoinet111
- Grand Econologue
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